Home / 5,386.27-7,432.67-3,028.76

Finding the Fourth Proportional to 5,386.27, 7,432.67 and 3,028.76

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Solution

The fourth proportional to 5,386.27, 7,432.67 and 3,028.76 is: 4,179.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.27 : 7,432.67 = 3,028.76 : x
  2. Step 2: Convert to fraction form
    5,386.27/7,432.67 = 3,028.76/x
  3. Step 3: Cross multiply
    5,386.27x = 7,432.67 × 3,028.76
  4. Step 4: Simplify right side
    5,386.27x = 22,511,758.45
  5. Step 5: Solve for x
    x = 22,511,758.45/5,386.27
  6. Step 6: Final answer
    x = 4,179.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.